Groupees may shutdown (their domain expires 21 August).
Barter.vg helps to organize game collections and manage trades. This profile page belongs to a user, but it does not prove anyone's identity or credibility. Be wary of anyone that proposes trades off-site or through private messages. To use this site's dispute process, you must use the on-site offer system to propose or accept trades.
Items that appeared in your library during a previous sync, but did not appear in a later sync. The publisher or developer may have revoked the key, or Valve may have banned the game, or you could have removed the game from library.